I am interested in using the RP as an oscilloscope in single shot mode but with increased memory depth, i.e. the ADC samples are continuously written into a circular buffer in DDR until a stop trigger is received. After this stop trigger the data is available to be read by the PS. Sample depth I require is ~ 10 Msamples.

From looking though the various project threads I get the impression this is possible. I am wondering if someone can say what sample rate can be achieved for two ADCs in this configuration?